update DispatchWorkItem

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Jungpyo Hong 2021-07-14 02:22:24 -05:00 committed by GitHub
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@ -1316,7 +1316,9 @@ Use a barrier to synchronize the execution of one or more tasks in your dispatch
## DispatchWorkItem
The work you want to perform, encapsulated in a way that lets you attach a completion handle or execution dependencies.
[DispatchWorkItem Apple Document](https://developer.apple.com/documentation/dispatch/dispatchworkitem)
## Operation